Sinn 910 SRS Column Wheel Flyback Chronograph 41.5mm Off White Dial Automatic


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In many ways, Sinn is a chronograph brand. While they are undoubtedly known for Teutonic pilot’s watches and burly divers like the U1, when Sinn debuted a limited edition model for their 55th anniversary in 2016, it was a lovely split-seconds chronograph called the 910 Anniversary. At Baselworld in 2018, Sinn announced the next model in the 910 series, the SRS flyback chronograph.

Like the Anniversary model before it, the new 910 SRS has a 41.5mm steel case that is 15.5mm thick. With sapphire crystals front and back, the 910 SRS has a contrasty off-white dial with black hands and markers replete with red accents and chronograph hands. Unlike the 910 Anniversary, which used a two register chronograph layout with no date, the 910 SRS retains more of the 7750’s character with a three register layout and a date display at three. 
Offering a 12-hour measure with central chronograph seconds and running seconds at nine, the 910 SRS’s main calling card is its flyback functionality. Just as with the 910 Anniversary’s split chronograph, Sinn starts with the common but proven ETA 7750 and then modifies the movement with some help from La Joux-Perret, adding a column wheel and flyback functionality. Flyback chronographs offer the ability to be stopped, zeroed, and re-engaged with the single press of a button. Sinn even derives the “SRS” naming from the flyback functionality – Stop, Return, Start (or “Stopp-Retour-Start, in German). The action is smooth and very mechanical and lacks the heavy initial action common to a stock 7750. 
The execution of the flyback modification to the movement is a great example of the pragmatic spirit that makes Sinn one of the most legit manufacturers of tool watches left in the game. They are a small company with an intense international following among people who want a modern take on the original tool watch perspective. While the 910 series could almost be considered fancy next to a 556, it strikes a balance and appeal that feels special but purposeful. Being decidedly German, Sinn likes to take the opportunity to conform to several standards, and like many of their watches, the 910 SRS is anti-magnetic to DIN 8309, shock resistant to ISO 1413, and water resistant to DIN 8310 (100 meters). 
Furthermore, the crown and pushers use Sinn’s proprietary D3-System, which uses a very fine opening in the case to protect the interface without the use of a traditional tube element. The result is more reliable water resistance and increased protection against bumps and knocks. Also, for those wondering, the crown is in its fully screwed-down position in these photos and does not screw flush to the case side. 
The 910 SRS’s dial is a creamy white, with applied black markers, matching Sinn branding, and red accents for the chronograph scale and the most external part of the tachymeter scale surrounding the dial. The date wheel is nicely color matched and I really like the rather subtle polished chamfers surrounding the chronograph counters and the lower contrast of the less-crucial running seconds scale. The case is also nicely detailed, with a simple but attractive mix of polished and brushed elements. 
Not too thick and offering a distinct appeal that manages to be classic without relying on any vintage tropes, especially on the leather strap, the 910 SRS is great on wrist. Offering this characteristically reserved German brand the chance to flex a little, the SRS is a very cool addition to Sinn’s growing 910 lineup. 

As New & Absolutely Awesome. So nice in person!!



MODEL: 910 SRS Flyback Chronograph 

MOVEMENT: Swiss Automatic – Column Wheel Chronograph

CASE: Stainless Steel

CROWN: Push/Pull crown

SIZE: 41.5mm

LUGS: 22mm

DIAL: Off-White Dial

BEZEL: Non-Rotating

CONDITION: Pre-Owned – As-New! Brand New May 2021!

BOXES/PAPERS: Yes/Yes: 100% Complete Sinn Box Set – Everything as shown in pictures!


STRAP/BRACELET: – Original Sinn As-New Brown Leather strap with Steel buckle.


We buy similar watches…large packages as well as one at a time. We also take trades against any of our watches…

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